Item No: HP-BIGCYLK-54
Do you want maximum performance from your 90cc ATV? Replace you stock 50mm cylinder with our 54mm cylinder kit and increase your engines displacement from 83cc to 92cc. This is the largest bore available for ATVs with stock engine cases.
Head Gasket & Base gaskets
Want even more horsepower?
By replacing your stock 42mm crankshaft with our 47mm crankshaft you can increase you engines displacement to over 100cc and boost horsepower by almost 20%.
All of our cylinder kits are direct O.E.M. replacements and are manufactured in Taiwan.
This kit is an easy bolt on installation and does not require any modifications to the engine crankshaft or engine case's.